1[intransitive,transitive]to work hard and steadily at something, especially something that takes a long time and is boring or difficultslog (away) (at something)He's been slogging away at that piece of music for weeks.slog (through something)The teacher made us slog through long lists of vocabulary.My mother slogged all her life for us.slog your way through somethingShe slogged her way through four piles of ironing.

2[intransitive,transitive]to walk or travel somewhere steadily, with great effort or difficulty+ adv./prep.I've been slogging around the streets of London all day.slog your way through somethingHe started to slog his way through the undergrowth.

3[transitive,intransitive]slog (something) (+ adv./prep.)to hit a ball very hard but often without skill